Stadium: Court 18 Round: 26 Ground: Clay
| ITF M25 Meerbusch MD | 2021/04/16 15:10 | Durasovic V / Eriksson M v Heller P / Vanneste J | 1-6,7-5,10-8 |
| ITF M25 Meerbusch MD | 2021/04/15 15:00 | Pichler D / Wehnelt K v Heller P / Vanneste J | 7-5,6-7,7-10 |
| ITF M25 Meerbusch MD | 2021/04/14 13:45 | Visker/Zima v Heller P / Vanneste J | 2-6,4-6 |
| ITF - M15 Antalya - Doubles Hommes | 2021/03/20 11:50 | Heller P / Vanneste J v Bertuccioli/Den Heijer | 6-1,6-1 |
| ITF - M15 Antalya - Doubles Hommes | 2021/03/19 11:40 | Heller P / Vanneste J v Cozbinov/Valkusz | 6-0,6-2 |
| ITF - M15 Antalya - Doubles Hommes | 2021/03/18 12:00 | Heller P / Vanneste J v Medjedovic/Miladinovic | 6-2,7-5 |
| ITF - M15 Antalya - Doubles Hommes | 2021/03/13 12:30 | Heller P / Vanneste J v Krutykh/Paz | 5-7,6-4,7-10 |
| ITF - M15 Antalya - Doubles Hommes | 2021/03/12 10:50 | Heller P / Vanneste J v Ionel/Palosi | 7-5,6-2 |